#!/bin/bash
#返回脚本的名称
#echo "返回脚本的名称" ${0}  
#向脚本程序中传递参数
# echo  "first parameter:${1}"
# echo  "second parameter:" ${2}
# echo  "third parameter:" ${3}
# echo  "fourth parameter:"${4}
# echo  "total parameter:" ${#}
# echo  "所有的参数:"  ${*}
# echo  "$@"
# echo  "输出脚本的进程ID" ${$}
# echo  "脚本运行状态：" ${?}

#添加/删除注释文件 mac  command  +  /    windows  ctrl + /
echo "返回脚本的名称" ${0} 
echo "你叫什么?" ${1}
echo "你几岁？" ${2}
echo "你结婚了没?" ${3}
echo "列出所有的值" ${*}

